478 CALIFORNIA ACADEMY OF SCIENCES. 



carina usually, but not always yellowish. 10 cleft 

 dorsally almost to base; appendages very short, not 

 exceeding anal tubercle. 



(5 ? . Wings clear. Pterostigma brown, surmounting 

 one cell. Front wings w^ith 11-14 postcubitals, 4 dis- 

 coidal cells (3 on one wing of one male, live on one wing 

 of another 6 ). Hind wings with 9-12 postcubitals, 3 

 discoidal cells (four in one wing only of two males). 



Abdomen S 23-27 mm., ? 23-25. Hind wing c^ 

 17.5-20.5,? 19-20.5. Having sent a pair <3 ? of this 

 species to Baron de Selys, he wrote that it " est peut etre 

 une espece inedite que j'ai nomme A. agrioides MS. 

 dans la collection de M. MacLachlan." 



Distribution. Baja California as above, California 

 (i 3 San Bernardino, Feb. or March, 1892, by Mr. P. C. 

 Truman, i 5 2 ? Los Angeles, by Dr. A. Davidson, P. P. 

 Calvert's coll.), Texas (Blanco Co., P. P. Calvert's 

 coll.) 



4. Argia vivida (Hagen) Selys. PI. xv, fig. 13. 



A. V. Selys, Bull. Ac. Belg. (2) xx, p. 406, 1865. 

 2S 3? Comondn. 

 5 Baja Purisima, April, 1889, CD. Haiues. 



1 Sierra El Taste, Sept., 1893, G. Eisen. 

 1 1 Sierra Laguua, Oct., 1893, G. Eisen. 

 1 1 Mesa Verde, Oct., 1893, G. Eisen. 



QS 6? 



$ Similar to agrioides; differs in the black markings 

 as follows : humeral stripe merely a single line in its upper 

 half usually not forked;* no line on first lateral thoracic 

 suture ; the two femoral stripes fused into a single, superior 

 black band. 



Superior appendages pale, half as long as lo, apical 

 half bent downwards and ending in a moderately acute, 



^Forked in two males from Baja Purisima. 



